Pile-shoe.



JOSEPH A. STEINMETZ, OF PHILADELPHIA, PENNSYLVANIA.

PILE-SI-IOE.

Specification of Letters Patent.

Patented Oct. 25, 1910.

Application filed October 16, 1909. Serial No. 522,929.

To all whom it may concern:

Be it known that l, JOSEPH A. STEINMETZ, a citizen of the United States, residing at Philadelphia, in the county of Philadelphia and State of Pennsylvania, have invented an Improved Pile-Shoe, of which the following is a specification.

My invention is a pile shoe having a socket provided with means, such asclaws or teeth, for holding the pile therein; a point provided with means, such as longitudinal grooves and ribs, for facilitating its penetratioi'l, and means, such as longitudinal flanges or fins, for preventing its twisting in being driven.

In the drawings, Figure 1 represents an elevation of a pile shoe embodying my improvements; Fig. 2 is a sectional view of the same taken on the line 22 of Fig. 1 with the pile removed; Fig. 3 is a sectional view taken on the line 33 of Fig. 1; and Fig. 4 is a sectional view taken on the line 4-4 of Fig. 1.

The shoe, as illustrated in the drawings, has the conical body 1 containing the sockets 2 which is provided with the inwardly ex tending teeth or claws 3. The shoe is forced on the end of the pile 4: which is engaged in the socket 2 by the teeth or claws 3, where by the shoe and pile are prevented from separating.

The tapered point 5 of the shoe is fluted by providing it with the longitudinally extending concave channels 6 symmetrically arranged, which form longitudinal ribs 7 of greater or less width, depending upon the width of the channels. These channels slope from the body of the shoe to the points end so as to throw out the material to be displaced in driving.

In the axial planes of the shoe, preferably lying between adjacent channels 6, are formed fins 8 extending beyond the general surface of the shoe and tapering into the body and point. The point thus formed facilitates the penetration of the shoe and the fins act to prevent the deviation of the shoe from its straight course as well as to reduce the tendency to twisting.

Having described my invention, I claim:

1. A pile shoe having a socketed body and a tapered point provided with sloping longitudinal channels.

2. A pile shoe having a socketed body, tapered point and outwardly extending fins, each of said fins tapering into said body and point.

3. A pile shoe having a socketed body and a point provided with sloping longitudinal channels, said shoe having outwardly extending longitudinal fins.

4. A pile shoe having a point provided with longitudinal ribs and concave channels between said ribs.

5. A pile shoe having a fluted point and a socket provided with claws.

In witness whereof I have hereunto set my name this fifteenth day of October, 1909, in the presence of the subscribing witnesses.

JOSEPH A. STEINMETZ. lVitnesses:

ROBERT J AMES EARLEY, Jos. G. DENNY, Jr. 

